%0 Journal Article
%A A. M. Tropin
%T On the bifurcation of the solution of the Fermat--Steiner problem under $1$-parameter variation of the boundary in $H(\mathbb{R}^2)$
%J Čebyševskij sbornik
%D 2021
%P 265-288
%V 22
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHEB_2021_22_4_a13/
%G ru
%F CHEB_2021_22_4_a13